Dantherm HCV 400 P1 Service Manual page 11

Components description, continued
Control parts
This illustration shows the control part of the unit .
illustration
Pos . Mode A
S1
S2
S3
S4
A
B
1
2
3
4
BP
S3
A
BP
3
S2
2
T1 outside air inlet temperature sensor
T2 indoor supply air temperature sensor
T3 indoor extracted air temperature
sensor
T4 exhaust to outside temperature sen-
sor
VOC and RH% sensor (accessory)
n/a (sealing pad)
P1 outside air inlet pressure connection
P2 indoor supply air pressure connection P4 exhaust to outside air
P3 indoor extracted air pressure connec-
tion
P4 exhaust to outside air pressure con-
nection
Cable for bypass
S1
B
1
S4
4
Fig . 5
Mode B
T3 indoor extracted air temperature sensor
T4 exhaust to outside temperature sensor
T1 Outside air inlet temperature sensor
T2 indoor supply air temperature sensor
n/a (Gasket)
VOC and RH% sensor (accessory)
P3 indoor extracted air pressure connec-
tion
pressure connection
P1 outside air inlet pressure
connection
P2 indoor supply air pressure connection
Cable for bypass
11